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Author SHA1 Message Date
Reid Spencer
e65a75d66e Adjust this per the changes to the configuration script in the llvm-top module. 
llvm-svn: 38521
 2007-07-11 03:00:11 +00:00
Owen Anderson
1eaba31f12 Add FastDSE, a new algorithm for doing dead store elimination. This algorithm is not as accurate 
as the current DSE, but it only a linear scan over each block, rather than quadratic.  Eventually
(once it has been improved somewhat), this will replace the current DSE.

NOTE: This has not yet been extensively tested.
llvm-svn: 38517
 2007-07-11 00:46:18 +00:00
David Greene
8d77dcca00 Make this work with GLIBCXX_DEBUG. 
llvm-svn: 38516
 2007-07-10 22:00:30 +00:00
Evan Cheng
f6d010e93d Didn't mean the last commit. Revert. 
llvm-svn: 38515
 2007-07-10 22:00:16 +00:00
Dale Johannesen
ecef839eaa Fix fp_constant_op failure. 
llvm-svn: 38514
 2007-07-10 21:53:30 +00:00
Evan Cheng
05c784cc30 Update. 
llvm-svn: 38513
 2007-07-10 21:49:47 +00:00
Dale Johannesen
7325a82196 fix 80 columnn violations, increasing the world's 
pedantic satisfaction level.

llvm-svn: 38512
 2007-07-10 20:53:41 +00:00
Owen Anderson
bb0f7c00ab Calculate the size of a array allocation correctly. 
llvm-svn: 38511
 2007-07-10 20:48:38 +00:00
Owen Anderson
04b3497eb7 Fix a crasher when finding the dependency of a call. 
llvm-svn: 38510
 2007-07-10 20:39:07 +00:00
Owen Anderson
b11a2f3a32 Make this pass registration static as well. 
llvm-svn: 38509
 2007-07-10 20:21:08 +00:00
Owen Anderson
7d38ac8a37 Make the pass registration static. 
llvm-svn: 38508
 2007-07-10 20:20:19 +00:00
Chris Lattner
abcdeef610 add a note 
llvm-svn: 38507
 2007-07-10 20:03:50 +00:00
Rafael Espindola
c0d9376230 check for correct usage of the byval attribute 
llvm-svn: 38506
 2007-07-10 19:28:12 +00:00
Anton Korobeynikov
7971c2c9b7 During module cloning copy aliases too. This fixes PR1544 
llvm-svn: 38505
 2007-07-10 19:07:35 +00:00
Owen Anderson
6c92149ce5 Handle vaarg instructions correctly. 
llvm-svn: 38504
 2007-07-10 18:43:15 +00:00
Dan Gohman
629311ca52 Change the peep for EXTRACT_VECTOR_ELT of BUILD_PAIR to look for 
the new CONCAT_VECTORS node type instead, as that's what legalize
uses now. And add a peep for EXTRACT_VECTOR_ELT of INSERT_VECTOR_ELT.

llvm-svn: 38503
 2007-07-10 18:20:44 +00:00
Owen Anderson
f4bea94dbd Volatile loads and stores depend on each other. 
llvm-svn: 38502
 2007-07-10 18:11:42 +00:00
Evan Cheng
abcf3842bb Remove clobbersPred. Add an OptionalDefOperand to instructions which have the 's' bit. 
llvm-svn: 38501
 2007-07-10 18:08:01 +00:00
Evan Cheng
0ab209fa54 Remove clobbersPred. 
llvm-svn: 38500
 2007-07-10 18:07:08 +00:00
Evan Cheng
6125079452 Add OptionalDefOperand. Remove clobbersPred. Also add DefinesPredicate to be used by if-converter. 
llvm-svn: 38499
 2007-07-10 18:06:29 +00:00
Evan Cheng
974bb09390 Try committing again. Add OptionalDefOperand. Remove clobbersPred. 
llvm-svn: 38498
 2007-07-10 18:05:01 +00:00
Owen Anderson
1f5fb875b6 Add support for finding the dependencies of call and invoke instructions. 
llvm-svn: 38497
 2007-07-10 17:59:22 +00:00
Evan Cheng
d80c2821af If the operand is marked M_OPTIONAL_DEF_OPERAND, then it's a def. 
llvm-svn: 38496
 2007-07-10 17:52:20 +00:00
Evan Cheng
87e735c4be Somehow this wasn't committed last time. M_CLOBBERS_PRED is gone. 
llvm-svn: 38495
 2007-07-10 17:50:43 +00:00
Owen Anderson
1bd416b823 Fix the build, and fix the handling of pointer sizes. 
llvm-svn: 38494
 2007-07-10 17:25:03 +00:00
Owen Anderson
1fabbda503 Fix a bunch of things from Chris' feedback 
llvm-svn: 38493
 2007-07-10 17:08:11 +00:00
Dan Gohman
5202c50198 Add a regression test for folding spill code into scalar min and max. 
llvm-svn: 38492
 2007-07-10 15:34:29 +00:00
Dan Gohman
bd0ff28e1c Fix a bug in the folding of binary operators to undef. 
Thanks to Lauro for spotting this!

llvm-svn: 38491
 2007-07-10 15:19:29 +00:00
Reid Spencer
e8d96d8dac Make sure to keep symbols for profile build. 
Patch by Benoit Boissinot. Thanks, Benoit!

llvm-svn: 38490
 2007-07-10 14:52:01 +00:00
Dan Gohman
6b21e11f1c Fix the folding of undef in several binary operators to recognize 
undef in either the left or right operand.

llvm-svn: 38489
 2007-07-10 14:20:37 +00:00
Reid Spencer
47c93f0fe5 Simplify the handling of the --*flags options. The makefile already gets it 
right so there is no need to duplicate logic, just use the values the makefile
provides. 

Eliminate some redundnt -D options from the output.

Fix the help output so it fits on 80 cols.

llvm-svn: 38488
 2007-07-10 07:48:09 +00:00
Reid Spencer
00dacd0fa9 Makesure the -cppflags also uses the CPP.BaseFlags as the CPP.Defines only 
contains some of the defines but not all CPP flags.

llvm-svn: 38487
 2007-07-10 07:21:34 +00:00
Reid Spencer
60cb7070fe Make sure that preprocessor symbols like _DEBUG, NDEBUG, and _GLIBC_DEBUG are 
put into the CPP.Defines variable. Seems the convention was corrupted with
various changes made. It is important to get command line parameters into the
right variable because things like llvm-config and sub-makefiles depend on it.

llvm-svn: 38486
 2007-07-10 07:19:53 +00:00
Evan Cheng
cf3b1c89a9 When a node value is only used by a CopyToReg, use the user's dest. This should not be restricted to nodes that produce only a single value. 
llvm-svn: 38485
 2007-07-10 07:08:32 +00:00
Evan Cheng
23dc96f640 Move DenseMapKeyInfo<SDOperand> from LegalizeDAG.cpp to SelectionDAGNodes.h 
llvm-svn: 38484
 2007-07-10 06:59:55 +00:00
Nick Lewycky
ea767d42e8 Update the ValueRanges interface to use value numbers instead of Value*s. 
llvm-svn: 38483
 2007-07-10 03:28:21 +00:00
Owen Anderson
31eaa152b8 Evidently my earlier fix did not go far enough. When resizing a zero-sized 
BitVector, make sure to set or clear ALL of the bits.

llvm-svn: 38481
 2007-07-10 02:01:16 +00:00
Owen Anderson
4ce919d799 Move some key maps from std::map to DenseMap. This improves the time to optimize Anton's testcase from 17.5s 
to 15.7s.

llvm-svn: 38480
 2007-07-10 00:27:22 +00:00
Owen Anderson
65f9dd6973 Use a cheaper test, delaying calling find_leader() until we know that it's necessary. This improves 
the time to optimize Anton's testcase from 21.1s to 17.6s.

llvm-svn: 38479
 2007-07-10 00:09:25 +00:00
Dan Gohman
928144b051 Define non-intrinsic instructions for vector min, max, sqrt, rsqrt, and rcp, 
in addition to the intrinsic forms. Add spill-folding entries for these new
instructions, and for the scalar min and max instrinsic instructions which
were missing. And add some preliminary ISelLowering code for using the new
non-intrinsic vector sqrt instruction, and fneg and fabs.

llvm-svn: 38478
 2007-07-10 00:05:58 +00:00
Owen Anderson
2106613ce6 Add an assertion if find_leader fails. 
llvm-svn: 38477
 2007-07-09 23:57:18 +00:00
Owen Anderson
1ab53d5ee7 When resizing a BitVector with size 0, be sure to clear the low word before using it. 
llvm-svn: 38476
 2007-07-09 23:39:39 +00:00
Owen Anderson
8d4339f8db Take advantage of the new fast SmallPtrSet assignment operator when propagating AVAIL_OUT sets. 
This reduces the time to optimize Anton's testcase from 31.2s to 21.s!

llvm-svn: 38475
 2007-07-09 22:29:50 +00:00
Owen Anderson
31bda05073 Make the assignment operator for SmallPtrSet much faster for normal cases. 
llvm-svn: 38474
 2007-07-09 22:27:20 +00:00
Dan Gohman
150487b166 Preserve volatililty and alignment information when lowering or 
simplifying loads and stores.

llvm-svn: 38473
 2007-07-09 22:18:38 +00:00
Devang Patel
65f3717db9 Expose struct size threhold to allow users to tweak their own setting. 
llvm-svn: 38472
 2007-07-09 21:19:23 +00:00
Dan Gohman
81cfdc2f19 Change getCopyToParts and getCopyFromParts to always use target-endian 
register ordering, for both physical and virtual registers. Update the PPC
target lowering for calls to expect registers for the call result to
already be in target order.

llvm-svn: 38471
 2007-07-09 20:59:04 +00:00
Owen Anderson
e48ed4f7a8 Make the assignment operator for SmallPtrSet return a reference, and fix a long-standing bug in the copy 
ctor while I'm at it.

Thanks to Chris Lattner for help with this patch.

llvm-svn: 38470
 2007-07-09 20:59:01 +00:00
Devang Patel
f1b6294e80 Fix memory leak. 
llvm-svn: 38469
 2007-07-09 20:52:39 +00:00
Dan Gohman
be352027e6 Initialize the IndexedModeActions array with memset before 
updating it with calls to setIndexedLoadAction/setIndexedStoreAction,
which only update a few bits at a time. This avoids ostensible
undefined behavior of operationg on values which may be
trap-representations, and as a practical matter fixes errors from
valgrind, which doesn't track uninitialized memory with bit
granularity.

llvm-svn: 38468
 2007-07-09 20:49:44 +00:00